Old Dominion
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Event
The Old Dominion 100 Mile Endurance Run is a measured loop race of 100 miles held in Fort Valley, Virginia. The 2026 edition is scheduled for June 6, 2026. The race is part of the Grand Slam of Ultrarunning series. Registration closes May 24, 2026. The event is volunteer run and operates without commercial sponsors.
Course and logistics
The course runs through the Massanutten Mountains, the Shenandoah River Valley and Fort Valley. It includes 14 significant climbs and about 14,000 feet of total elevation gain. Terrain types include pavement, gravel roads, single-track trails, ATV trails, logging roads, rocks, streams and mud. There are 23 aid stations, crew access points and a network of volunteers along the route. Runners who complete the course within 24 hours receive a silver buckle; the overall finish window extends to 28 hours. Visit the organization's website for the most recent information.
